AI-Guidance for DVT exams

ThinkSono Guidance enables any healthcare professional to perform Deep Vein Thrombosis (DVT) scans at the point of care. It uses artificial intelligence to guide the user through the current gold-standard procedure, a compression ultrasound examination.


Note: Not FDA/CE Class II approved. The UI may change once approved.

What is DVT

Deep Vein Thrombosis (DVT) is a blood clot within the deep veins of the leg. This can be potentially fatal if parts of the clot breaks off, travels through the body and becomes lodged in the lungs – this is called a pulmonary embolism (PE).

The Problem

While DVT and PE combined are the number one cause of preventable hospital death, the current diagnostic pathway is slow and inefficient. Patients often wait hours or days for test results.

AI Solution

ThinkSono Guidance enables healthcare professionals to collect DVT exam data for diagnosis. This can vastly improve access to care. A ThinkSono Guidance exam takes as little as 15 minutes using only a handheld device and a mobile phone.

ThinkSono Guidance Improves the Clinical Pathway

ThinkSono Guidance potentially improves the DVT clinical pathway.




Total Time

15 min








Total Time

6 -24 hrs

How It Works


Conduct a compression ultrasound DVT exam with live AI-guidance. Intuitively identify the correct anatomy and probe positioning, allowing fast and accurate data collection without direct oversight.


Upload the collected exam data to the Cloud Dashboard for rapid interpretation by a qualified medical professional.


Qualified clinicians can quickly data via automated templates and digital communication features. Spend less time on documentation, and more time caring for patients.

Use Cases

ThinkSono in Action

Ultrasound is the least invasive and most portable imaging modality in medicine. Although it is a life saving tool, access is extremely limited, negatively impacting outcomes for millions of patients.

Emergency Rooms

ThinkSono Guidance enables healthcare staff to scan patients on arrival & send the captured images & clips to radiologists for immediate to potentially reduce and/or removing burden on specialist sonographers.


In the UK, ThinkSono’s technology is can potentially be used as a core component of a redesigned community DVT pathway that includes rapid assessment in primary care settings.

Patients can be scanned locally by their GP without specialist equipment, removing the need to travel to a hospital and/or book multiple appointments.

Note: Currently not being used in practice. The above is highlighting potential uses in the future.

Point of Care / Bedside

ThinkSono Guidance is being used on medical wards to assess patients for DVT, eliminating the need to transfer complex patients to the ultrasound service.


DVT is a significant problem for the NHS. Not only from a financial perspective, but also a clinical perspective…Pathways for DVT is consequently very time consuming because the patient has to be sent to radiology for the performance of the scan. Enabling nurses, GP’s and other non-specialists to diagnose DVT accurately at the point of care would be extremely useful for the NHS and much more convenient for patients.

Dr. Nicola Drake MD FRCP FRCPath

Consultant Emergency Physician at Guy’s and St Thomas Hospital, London.

The burden of deep vein thrombosis is significant for the National Health Service and one particular problem is that a DVT is suspected much more often than it is found. Potential for non-experts to perform diagnostic ultrasound could dramatically improves DVT diagnostic pathways.

Dr David Keeling BSc MD FRCP FRCPath

Consultant Haematologist at Oxford University Hospital

I’m excited about this technology and can see many applications for it. For example, rehab units and nursing homes frequently have multiple patients who need venous studies. Their solution is seldom efficient, and I could see every facility like this having the system so they can check their patients whenever they want.

Steven A. Leers MD, RVT, RPVI, FSVU

Professor of Surgery UPMC Division of Vascular Surgery Medical Director, UPMC Vascular Laboratories

Regulatory Approval & Compliance

ThinkSono Guidance is currently not FDA/CE IIb marked for clinical use. Please contact ThinkSono using the information below.

The current expected CE IIb intended use (not yet approved) will be:

“ThinkSono Guidance is a medical device software consisting of ThinkSono Guidance Mobile App and Cloud-based Software.

ThinkSono Guidance is a data collection and communication tool that guides non-ultrasound trained healthcare staff to collect point of care compression ultrasound data in the proximal deep venous system of the lower extremity for interpretation by qualified clinicians. ThinkSono Guidance produces DVT ultrasound data of at least minimal standard for diagnostic image quality.”

Please contact for more information on the appropriate use of ThinkSono Guidance.


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